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稀土发光离子(Er³⁺,Dy³⁺, Eu³⁺)掺杂Ce_0.8Gd_0.2O_1.9光学性能的研究

Optical properties of rare earth luminescent ions (Er³⁺, Dy³⁺, Eu³⁺) doped Ce_0.8Gd_0.2O_1.9

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【Author】 LIU Yuanyuan;HAN Yaning;LI Yang;WANG Yan;ZHAO Wenyu;AN Shengli;School of Chemistry and Chemical Engineering, Inner Mongolia University of Science and Technology;Inner Mongolia Key Laboratory of Advanced Ceramics and Device;School of Material and Metallurgical Engineering, Inner Mongolia University of Science and Technology;

【通讯作者】安胜利;

【机构】内蒙古科技大学化学与化工学院；内蒙古自治区新型功能陶瓷与器件重点实验室；内蒙古科技大学材料与冶金学院；

【摘要】通过甘氨酸-硝酸燃烧法双掺杂制备Ce_0.8Gd_0.95M_0.05O_1.9(M=Er³⁺,Dy³⁺,Eu³⁺)（CGMO）固体电解质。利用紫外可见分光光度计和分子荧光光度仪对3种掺杂不同稀土离子在不同烧结温度下得到的CGMO进行光学性能测试,并监测不同烧结温度下CGMO晶界的变化规律。测试结果表明,CGMO均在1673K时结晶程度最好,光子和电子传导能力最优。对比SEM形貌,Ce_0.8Gd_0.95Dy_0.05O_1.9电解质具有灵敏度高且可行性强的优势,对于改善GDC烧结条件有一定的指导意义。更多还原

【Abstract】 Ce_0.8Gd_0.95M_0.05O_1.9(M= Er³⁺, Dy³⁺, Eu³⁺)（CGMO） double doping solid electrolyte was prepared by glycine-nitric combustion method. UV-vis and PL spectrophotometer were used to detect the optical properties of CGMO at different sintering temperatures. Meanwhile, the CGMO grain boundary change rule at different sintering temperatures was monitored. The results showed that the best crystallization temperature of CGMO was 1673 K, which had the stronger photon and electron conduction ability. By comparing the SEM morphology, Ce_0.8Gd_0.95Dy_0.05O_1.9 electrolyte had the advantages of high sensitivity and strong feasibility, which had certain significance for improving the sintering conditions of GDC.更多还原